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Two high-power appliances on a single 40A RCD

Former Community Member
Former Community Member
I have an electric shower installed on a 40A RCD, in a room adjacent to my kitchen. The shower is only used in an emergency - i.e. when our gas boiler is unable to provide hot water to our main bathroom. I would like to take a spur from this 40A connection to use for a new double oven, which is rated at 32A. Can anyone advise on a safe and legal way to do this, ensuring that only one of the two appliances can be connected at any one time?
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    If the cable is 10 mm AND clipped direct it could potentially run 64 amps, so it could become a distribution circuit to a second consumer unit. 


    It all depends on the installation method and real maximum current draw of the double oven. 


    Highly unlikely, as it seems the first and final parts of the circuit are embedded in walls, but not impossible. 


    Andy Betteridge 


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  • 0
    If the cable is 10 mm AND clipped direct it could potentially run 64 amps, so it could become a distribution circuit to a second consumer unit. 


    It all depends on the installation method and real maximum current draw of the double oven. 


    Highly unlikely, as it seems the first and final parts of the circuit are embedded in walls, but not impossible. 


    Andy Betteridge 


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